For Loop in Python Programming with Solved Examples in Urdu Hindi

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For Loop in Python Programming with Solved Examples in Urdu Hindi
In this lecture we are going to discuss about For Loop in Python Programming with Solved Examples in Urdu Hindi.
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While Loop in Python with Solved Example in Urdu Hindi
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For Loop in Python Programming with Solved Examples in Urdu Hindi
As we know loop is used to repeat a statement or set of statements again and again.
Python for Loop
What is for loop in Python?
The for loop in Python is used to iterate over a sequence (list, tuple, string) or other objects. Iterating over a sequence is called traversal.
Syntax of for Loop
for val in sequence:
Body of for
Here, val is the variable that takes the value of the item inside the sequence on each iteration.
Loop continues until we reach the last item in the sequence. The body of for loop is separated from the rest of the code using indentation.
The range() function
We can generate a sequence of numbers using range() function. range(10) will generate numbers from 0 to 9 (10 numbers).
We can also define the start, stop and step size as range(start, stop,step_size). step_size defaults to 1 if not provided.
for loop with else
A for loop can have an optional else block as well. The else part is executed if the items in the sequence used in for loop exhausts.
The break keyword can be used to stop a for loop. In such cases, the else part is ignored.
Hence, a for loop's else part runs if no break occurs.

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